From 4a550a5ae083518815ec70c73346705f3778df93 Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Sat, 10 Jun 2023 10:07:16 +0100
Subject: Compile bool literal to stack instruction

---
 .../java/org/shedlang/compiler/ast/typed/Typed.java | 12 ++++++++++++
 .../stackir/StackCompilerBoolLiteralTests.java      | 21 +++++++++++++++++++++
 .../stackir/instructions/InstructionMatchers.java   | 17 +++++++++++++++++
 3 files changed, 50 insertions(+)
 create mode 100644 src/test/java/org/shedlang/compiler/ast/typed/Typed.java
 create mode 100644 src/test/java/org/shedlang/compiler/stackir/StackCompilerBoolLiteralTests.java
 create mode 100644 src/test/java/org/shedlang/compiler/stackir/instructions/InstructionMatchers.java

(limited to 'src/test/java')

diff --git a/src/test/java/org/shedlang/compiler/ast/typed/Typed.java b/src/test/java/org/shedlang/compiler/ast/typed/Typed.java
new file mode 100644
index 00000000..742bc658
--- /dev/null
+++ b/src/test/java/org/shedlang/compiler/ast/typed/Typed.java
@@ -0,0 +1,12 @@
+package org.shedlang.compiler.ast.typed;
+
+import org.shedlang.compiler.sources.Sources;
+
+public class Typed {
+    private Typed() {
+    }
+
+    public static TypedBoolLiteralNode boolLiteral(boolean value) {
+        return new TypedBoolLiteralNode(value, Sources.NULL);
+    }
+}
diff --git a/src/test/java/org/shedlang/compiler/stackir/StackCompilerBoolLiteralTests.java b/src/test/java/org/shedlang/compiler/stackir/StackCompilerBoolLiteralTests.java
new file mode 100644
index 00000000..19f3a6a6
--- /dev/null
+++ b/src/test/java/org/shedlang/compiler/stackir/StackCompilerBoolLiteralTests.java
@@ -0,0 +1,21 @@
+package org.shedlang.compiler.stackir;
+
+import org.junit.jupiter.api.Test;
+import org.shedlang.compiler.ast.typed.Typed;
+
+import static org.shedlang.compiler.stackir.instructions.InstructionMatchers.isPushBoolInstruction;
+import static org.zwobble.precisely.AssertThat.assertThat;
+import static org.zwobble.precisely.Matchers.isSequence;
+
+public class StackCompilerBoolLiteralTests {
+    @Test
+    public void boolLiteralIsCompiledToPushBoolInstruction() {
+        var node = Typed.boolLiteral(true);
+
+        var instructions = StackCompiler.compileExpression(node);
+
+        assertThat(instructions, isSequence(
+            isPushBoolInstruction(true)
+        ));
+    }
+}
diff --git a/src/test/java/org/shedlang/compiler/stackir/instructions/InstructionMatchers.java b/src/test/java/org/shedlang/compiler/stackir/instructions/InstructionMatchers.java
new file mode 100644
index 00000000..7b90c614
--- /dev/null
+++ b/src/test/java/org/shedlang/compiler/stackir/instructions/InstructionMatchers.java
@@ -0,0 +1,17 @@
+package org.shedlang.compiler.stackir.instructions;
+
+import org.zwobble.precisely.Matcher;
+
+import static org.zwobble.precisely.Matchers.*;
+
+public class InstructionMatchers {
+    private InstructionMatchers() {
+    }
+
+    public static Matcher<Instruction> isPushBoolInstruction(boolean value) {
+        return instanceOf(
+            PushBoolInstruction.class,
+            has("value", x -> x.value(), equalTo(value))
+        );
+    }
+}
-- 
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